Toggle-frame.



M. H. SMITH.

TOGGLE FRAME.

APPLlCATlON mm ms. 16. 1916.

Patented Sept 19, 1916.

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MICHAEL E. SMITH, 0F WOBURN, MASSACHUSETTS.

TOGGLE-IEBAME.

Specification-of Letters Patent.

Patented Sept; 19, 1916.

. Application filed February 16, 1916. Serial No. 79,003.

To all whom it may concern:

Be it known that l, MICHAEL H; SMITH, a citizen of the United States of America, and a resident of Woburn, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in Toggle-Frames, of which the following is a specification.

This invention relates to toggle .frames used for stretching hides and particularly hides which have been coated with a patent leather preparation. p V

The object of the invention is to provide a rectangular frame braced at thecorners to give it great rigidity and having the means for securing the toggle members thereto positioned in depressions or recesses in the side bars so that the various frames may be piled on top of each other without injury to the securing members.

The invention consists of an open rectangular frame one or more of the side bars of which have recesses in one face extending to the inner edges of said bars, and to the bottom of which are secured wires bent to form a plurality of pairs of loops, the loops in each pair extending transversely of said bars in opposite directions.

The invention further consists of securing the looped wire to said bars by means of staples straddling the various loops adjacent to the body portion of the wire with all of said loops and securing members below the outer face of the recessed side of said bars.

The invention further consists in a-novel brace secured at the corners of the intersecting side bars whereby great rigidity may be given to the rectangular frame.

The invention consists further in certain novel features of construction and arrangement of parts which will be fully understood by reference to the description of the drawings and to the claims hereinafter given.

Of the drawings: Figure 1 represents aplan of a toggle frame embodying the principles of the present invention. Fig. 2 represents an enlarged viewof a corner of the same. Fig. 3 represents a transverse section on line 33 on Fig. 2. Fig. 4 represents a plan of the blank from which the corner brace is formed, and Fig. 5 represents an end elevation of said corner brace.

Similar characters designate like parts throughoutthe severalfigures of the drawings.

In the drawings, 10-10 represent two parallel side bars having ends 11 mortised into two other parallel side bars 12. A U- shaped brace 13 is'securedby screws 1d diagonally to opposite sides of. the corners of the frame formed by the united side bars 10 and 12. This U-shaped brace has formed integrally therewith the ears 15 which are bent at rightangles to each other, and are secured by screws 16 to the inner walls of the side bars 10and 12 at each of the corners of the toggle frame; The brace 1315 is formed from a sheet metal blank 13 as shown in Fig. 4 of the drawings. This gives great rigidity to the frame which in use is very roughly handled.

The upper face of each side bar 10 and 12 is provided with a depression 17 extending to the inner walls of said side bars 10 and 12.

Extending longitudinally of each side bar 10 or 12 is a wire 18, said Wire being positioned in the bottom of the depression 17 and near the inner wall of said side bar. The wire 18 is provided with a plurality of pairs of loops 19, the loops in each pair eX- tending in opposite directions transversely of the side bars 1012.

The wire 18 is secured to the side bars 1012 by a plurality of staples 2O straddling the loops 19 adjacent to the body portion of the wire 18. The loops 19 are curved outwardly from the bottom of the depression 17 as indicated at the bottom of Fig. 3 of the drawings.

Owing to the fact that each loop 19 is straddled by a staple 20, the loop is firmly held in position and is prevented from spreading. The wire 18 is rounded in cross section as shown in the drawings so that when the cord 21 of a toggle device is secured to the frameby means of a pair of the loops 19 there is no possibility of said cord being out by any sharp edges.

When the frame is in use the hide or skin 22 has secured thereto in any suitable manner a plurality of cords 21, the ends of which are passed under the outer loop 19 and then under the inner loop 19 of each pair of said loops. When pulled taut the cord will be wedged firmly between the loops 19 and the bottom of the depression 17 so that end movement thereof is entirely prevented.

By having the wires 18, loops 19, and staples 20 all positioned within the depressions 17 and below the upper surface of the side bars 10 .and 12, the various frames may be packed one upon another when not in use without injury to the securing devices.

This makes a very simple toggle frame of cheap construction which is most elfe'ctive when in use.

It is believed that the operation and many advantages of this invention will be fully understood from the foregoing description.

Having thus described my invention, I claim:

1. In a toggle frame, the combination of a side bar; a wire provided with loops extending alternately in opposite directions; and a staple in said bar and inclosing the wires forming each loop.

2. In a toggle frame, the combination of a side bar; and a wire secured thereto and disposed lengthwise thereof having a plurality of loops formed therein and extending alternately in opposite directions.

3. In a toggle frame, the combination of a side bar; and a wire secured thereto and disposed lengthwise thereof having a plurality of loops formed therein and extending alternately in opposite directions, said loops being curved outwardly from the face of said bar.

41. In a toggle frame, the combination of a side bar; and a wire secured thereto and disposed lengthwisethereof having a plurality of pairs of loops formed therein with the loops of each pair extending alternately in opposite directions.

5. In a toggle frame, the combination. of a side bar; a wire extending lengthwise of Copies of this patent may be obtained for live cents each, by addressing the Commissioner of Patentu one face-thereof and having a plurality of pairs of loops with the loops of each pair extending in opposite directions; and a staple inclosing each loop adjacent. the body portion of said wire.

6. In a toggle frame, the combination of a side bar having a recess in one face extending to the inner edge of said bar; a wire extending lengthwiseof the face of said recessed portion and having a plurality of pairs of loops, with the loops of each pair extending in opposite directions; and means for securing said wire to said bar.

7. In a toggle frame, the combination of a side bar having a recess in one face extend-l ing to the inner edge of said bar; a wire extending lengthwlseofthe. face of said re ces'sed portion and having a plurality of' pairsof loops with the loops of each pair extending in opposite directions; and. means for securing said wire to said bar, said loops and securing means being within said recess below the outer face of said bar.

8. In a toggle frame, the combination of a side bar having a recess in one face eX-' tending to the inner edge of said bar; and a wire secured to the bottom of said recess andhaving therein a plurality of pairs of loops, the loops of each pair extending in MICHAEL H. SMITH.

WVitnesses:

WALTERE. LoMBARD, 1 NATHAN LOMBARD.

Washington, D. G. 

